/*
 *  Copyright (C) 2005-2007 Renier Roth
 *  www.renier.de
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package de.renier.vdr.channel.editor.actions;

import java.awt.event.ActionEvent;
import java.io.File;
import java.io.FileWriter;

import javax.swing.AbstractAction;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import javax.swing.filechooser.FileFilter;
import javax.swing.tree.DefaultMutableTreeNode;

import de.renier.vdr.channel.ChannelElement;
import de.renier.vdr.channel.editor.ChannelEditor;
import de.renier.vdr.channel.editor.Messages;
import de.renier.vdr.channel.editor.util.Utils;

/**
 * SaveAsAction
 * 
 * @author <a href="mailto:editor@renier.de">Renier Roth</a>
 */
public class SaveAsAction extends AbstractAction {

  private static final long serialVersionUID = 2474968172348656305L;

  public SaveAsAction() {
    super(Messages.getString("SaveAsAction.0"), new ImageIcon(OpenAction.class.getResource("/org/javalobby/icons/20x20/SaveAs.gif"))); //$NON-NLS-1$ //$NON-NLS-2$
  }

  /*
   * (non-Javadoc)
   * 
   * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
   */
  public void actionPerformed(ActionEvent e) {
    DefaultMutableTreeNode rootNode = ChannelEditor.application.getChannelListingPanel().getRootNode();
    if (rootNode != null && rootNode.getChildCount() > 0) {
      File saveFile = null;
      try {
        final JFileChooser fc = new JFileChooser();
        FileFilter fFilter = new FileFilter() {

          public boolean accept(File f) {
            if (f.isDirectory()) { return true; }
            if (f.getName().endsWith(".conf")) { return true; } //$NON-NLS-1$
            return false;
          }

          public String getDescription() {
            return Messages.getString("SaveAsAction.3"); //$NON-NLS-1$
          }
        };
        fc.setFileFilter(fFilter);
        int ret = fc.showSaveDialog(ChannelEditor.application);
        if (ret == JFileChooser.APPROVE_OPTION) {
          saveFile = fc.getSelectedFile();
          // check if file exist
          if (saveFile.exists()) {
            // dialogbox to warn unsaved data
            int result = JOptionPane.showConfirmDialog(ChannelEditor.application, Messages.getString("SaveAsAction.4") + saveFile.getPath() //$NON-NLS-1$
                + Messages.getString("SaveAsAction.5"), //$NON-NLS-1$
                                                       Messages.getString("SaveAsAction.6"), JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE); //$NON-NLS-1$
            if (result == JOptionPane.NO_OPTION) { return; }
          }
          // open output file
          FileWriter outFile = new FileWriter(saveFile);
          Utils.outputChannelTree(outFile, rootNode);
          ChannelEditor.application.setChannelFile(saveFile);
          ChannelEditor.application.setModified(false);
          ChannelElement channelElement = (ChannelElement) rootNode.getUserObject();
          channelElement.setName(saveFile.getName());
          ChannelEditor.application.getChannelListingPanel().treeNodeChanged(rootNode);
        }
      } catch (Exception ioe) {
        JOptionPane.showConfirmDialog(ChannelEditor.application,
                                      Messages.getString("SaveAsAction.7") + saveFile != null ? saveFile.getPath() : Messages.getString("SaveAsAction.8") //$NON-NLS-1$ //$NON-NLS-2$
                                          + Messages.getString("SaveAsAction.9") + ioe.getMessage(), Messages.getString("SaveAsAction.10"), JOptionPane.CLOSED_OPTION, //$NON-NLS-1$ //$NON-NLS-2$
                                      JOptionPane.ERROR_MESSAGE);
        ioe.printStackTrace();
      }
    }

  }

}
